_STD_BEGIN
#define _Compiler_barrier() _ReadWriteBarrier()
int __cdecl _Atomic_flag_test_and_set(volatile _Atomic_flag_t *_Flag,
memory_order _Order)
{ /* atomically test flag and set to true */
return (_interlockedbittestandset(_Flag, 1)); /* set bit 0 */
}
void pilo::core::threading::recursive_mutex::__unlock()
{
long const offset = lock_flag_value;
long const old_count = PILO_WIN_INTERLOCKED_EXCHANGE_ADD(&_m_active_count, lock_flag_value);
if (!(old_count&event_set_flag_value) && (old_count > offset))
{
if (! _interlockedbittestandset(&_m_active_count, event_set_flag_bit))
{
::SetEvent(___get_event());
}
}
}
inline bool interlocked_bit_test_and_set(long* x,long bit)
{
return _interlockedbittestandset(x,bit)!=0;
}
unsigned char test_interlockedbittestandset(volatile LONG *ptr, LONG bit) {
return _interlockedbittestandset(ptr, bit);
}
bool pilo::core::threading::recursive_mutex::__try_lock()
{
return (_interlockedbittestandset(&_m_active_count, lock_flag_bit) == 0);
}
void AcquireLock()
{
LONG *p = (LONG*)&mutex;
while (_interlockedbittestandset(p,0)) YieldProcessor();
}
